Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21000908 (number)

21000908 is an even 8-digits composite number following 21000907 and preceding 21000909. In scientific notation, it is written as 2.1000908 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors. There are 10500452 positive integers (up to 21000908) that are relatively prime to 21000908.

Interesting facts

21000908 has 6 divisors, whose sum is 36751596
The reverse of 21000908 is 80900012
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million nine hundred eight

Notation

Scientific notation	2.1000908 × 10^7
Engineering notation	2.1000908 × 10^6

Prime Factorization of 21000908

Prime Factorization 2 × 2 × 5250227

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10500454	Product of the distinct prime numbers

The prime factorization of 21000908 is 2 × 2 × 5250227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 48, 23, 394, 451, 8653, 4344, 61671, 75519, 544189, 442349, 9823314, 1204654, 57220246, 65542338, 552529786, 930695020, 9133865653, 2642505272

Basic calculations (n = 21000908)

Multiplication

n×y

n×2	42001816
n×3	63002724
n×4	84003632
n×5	105004540

Division

n÷y

n÷2	10500454
n÷3	7000302.6666667
n÷3	5250227
n÷5	4200181.6

Exponentiation

n^y

n²	441038136824464
n³	9.262201335942E+21
n⁴	1.9451463813359E+29
n⁵	4.0849840200969E+36

Nth Root

^y√n

²√n	4582.6747648071
³√n	275.89639393501
⁴√n	67.695456012993
⁵√n	29.137186546515

Divisors of 21000908

1, 2, 4, 5250227, 10500454, 21000908

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000907	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000908 can be divided by 6 positive divisors. The sum of these divisors (counting 21000908) is 1, the average is 0.16666666666667.

Base conversion 21000908

Base	System	Value
2	Binary	1010000000111001011001100
3	Ternary	1110111221211102
4	Quaternary	1100013023030
5	Quinary	20334012113
6	Senary	2030042232
8	Octal	120071314
10	Decimal	21000908
12	Duodecimal	7049378
16	Hexadecimal	14072cc
20	Vigesimal	6b5258
36	Base36	ci4ek

Cryptographic Hash Functions

md5	deb6afa2ee029900b3581935e2efb662
sha1	bffb482b1bf79632664e7b1848cb8582410e98bb
sha256	51c860cfe49cf10a0a0b8d4f40a54b08bd8e6186c04f73c0ca2504855bea1caf
sha512	d07b59388fa5e4b5734ea3fbdd82d753e3cccd58a8e84bec758f20ddbf3e6efeca3a49675cc9a04fe387dd2b024e94f48c9ce2d425917ee34f873bb17f1f04d7
ripemd-160	2c11644e1602f516b3ef4f0dcf6fa6290e551282

21000908 as geometric shapes

Circle

Radius = n

Diameter	42001816
Circumference	131952596.58303
Area	1.3855621706007E+15

Sphere

Radius = n

Volume	3.8797418230753E+22
Surface area	5.5422486824027E+15
Circumference	131952596.58303

Square

Length = n

Perimeter	84003632
Area	441038136824464
Diagonal	29699768.91575

Cube

Length = n

Surface area	2646228820946784
Volume	9.262201335942E+21
Space diagonal	36374639.66108

Equilateral Triangle

Length = n

Perimeter	63002724
Area	1.9097511526387E+14
Altitude	18187319.83054

Triangular Pyramid

Length = n

Surface area	1.9097511526387E+14
Volume	1.0915608955599E+21
Height	9899922.9719165